Philips DVDR3320V/01 Service Manual page 126

Note: It is not recommended for component repair on this RL-02A Loader Module but
to replace the complete loader when it becomes defective.
The Information in this section is published for reference only.
ELECTRICAL TROUBLESHOOTING GUIDE .................... 5-2
WAVEFORMS ....................................................................5-16
1. POWER & RESET SIGNAL ................................ 5-16
2. MAIN CLOCK1 FOR IC202 (16.9MHZ) .............. 5-16
3. SDRAM CLOCK ................................................... 5-17
4. TRAY OPEN/CLOSE SIGNAL 1 .......................... 5-17
5. TRAY OPEN/CLOSE SIGNAL 2 .......................... 5-18
6. SLED MOVE SIGNAL 1 ........................................5-18
7. SLED MOVE SIGNAL 2 ........................................5-19
8. FOCUS SEARCH SIGNAL ................................... 5-19
9. LASER TURN ON SIGNAL ................................. 5-20
10. DISC TYPE JUDGEMENT WAVEFORM
(CD SERIES) ........................................................5-21
11. DISC TYPE JUDGEMENT WAVEFORM
(CD & CD-R) .........................................................5-21
12. DISC TYPE JUDGEMENT WAVEFORM
(CD-RW) ............................................................... 5-22
13. DISC TYPE JUDGEMENT WAVEFORM
(DVD SERIES) ...................................................... 5-22
14. DISC TYPE JUDGEMENT WAVEFORM
(DVD_SINGLE&R) ................................................5-23
15. DISC TYPE JUDGEMENT WAVEFORM
(DVD_DUAL) ........................................................5-23
16. DISC TYPE JUDGEMENT WAVEFORM
(DVDRW) .............................................................. 5-24
17. SPINDLE WAVEFORM1 ...................................... 5-24
18. SPINDLE WAVEFORM2 ...................................... 5-25
19. FOCUS ON SIGNAL (CD) ....................................5-25
20. FOCUS ON SIGNAL (CD) ....................................5-26
21. FOCUS ON SIGNAL (DVD) ................................ 5-26
22. FOCUS ON SIGNAL (DVD) ................................ 5-27
23. TRACK OFF SIGNAL (CD) ................................. 5-27
24. TRACK OFF SIGNAL (DVD) ............................... 5-28
25. TILT DRIVER SIGNAL (DISC READING) ........... 5-28
26. RF WAVEFORM (DVD) ........................................5-29
27. RF WAVEFORM (CD) .......................................... 5-29
28. WOBBLE (DVD-R/RW)_READING ..................... 5-30
29. WOBBLE (DVD+R/RW)_READING
& WRITING => X1 SPEED ................................... 5-30
30. LD ENABLE (DVD) ............................................... 5-31
31. LD ENABLE (CD) ................................................. 5-31
32. LASER POWER (READING)_DVD+RW ............ 5-32
33. LASER POWER (ERASE)_DVD+RW ................. 5-32
34. LASER POWER (WRITING)_INITIAL STATE .... 5-33
35. LASER POWER (WRITING)_PROCESSING ..... 5-33
SECTION 5
RL-02A LOADER PART
CONTENTS
THE DIFFERENCE OF DVD-R/RW, DVD+R/RW
DISCS AND DVD-ROM ...................................................... 5-34
HOW TO USE TEST TOOL ............................................... 5-43
BLOCK DIAGRAMS .......................................................... 5-51
CIRCUIT DIAGRAMS ........................................................5-55
CIRCUIT VOLTAGE CHART ............................................. 5-61
PRINTED CIRCUIT DIAGRAMS ....................................... 5-65
5-1
1. RECORDING LAYER ........................................... 5-34
2. DISC SPECIFICATION ......................................... 5-35
3. DISC MATERIALS ................................................5-36
4. ORGANIZATION OF THE INNER DRIVE
AREA, OUTER DRIVE AREA, LEAD-IN
ZONE AND LEAD-OUT ZONE ............................ 5-39
5. ALPC (AUTOMATIC LASER POWER
CONTROL) CIRCUIT ........................................... 5-42
1. OVERALL BLOCK DIAGRAM ............................. 5-51
2. DSP BLOCK DIAGRAM ....................................... 5-52
3. MICOM BLOCK DIAGRAM ................................. 5-53
4. RF BLOCK DIAGRAM .......................................... 5-54
1. RF CIRCUIT DIAGRAM ....................................... 5-55
2. DSP CIRCUIT DIAGRAM ..................................... 5-57
3. MICOM CIRCUIT DIAGRAM ............................... 5-59
1. MAIN P.C.BOARD (SIDE A) ................................ 5-65
2. MAIN P.C.BOARD (SIDE B) ................................ 5-69